[U-Boot] what's the uboot way to pass eth*addr to linux ?

[Maxim Podbereznyi]

Hi Philippe!

May be it is a little bit tricky but you can just read the u-boot
environment from you Linux driver and use the "ethaddr" variable. I did the
same for osk5912

2010/2/19 Philippe De Muyter <phdm at macqel.be>

> Hello
>
> I have a problem : my (coldfire) linux kernel does not reuse the mac
> addresses known by u-boot as ethaddr and eth1addr.
>
> I have read doc/README.enetaddr, that states :
>
>        struct bd_info [...]
>        are temporary copies of the MAC address only for the
>        purpose of passing this information to an OS kernel we are about
>        to boot.
>
> but I see no field in bd_info that could be set before booting linux.
>
> I thought that the address of the environment zone could be given
> to linux, but I do not see where either.
>
> So what's the recommended/supported way to inform the kernel of the mac
> addresses of all the ethernet interfaces ?
>
> Philippe
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